EP3818369A4 - METHODS OF MEASURING HEMATOCRITY IN FLUID CHANNELS INCLUDING A CONDUCTIVITY SENSOR - Google Patents
METHODS OF MEASURING HEMATOCRITY IN FLUID CHANNELS INCLUDING A CONDUCTIVITY SENSOR Download PDFInfo
- Publication number
- EP3818369A4 EP3818369A4 EP19831195.3A EP19831195A EP3818369A4 EP 3818369 A4 EP3818369 A4 EP 3818369A4 EP 19831195 A EP19831195 A EP 19831195A EP 3818369 A4 EP3818369 A4 EP 3818369A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- methods
- conductivity sensor
- channels including
- fluidic channels
- measuring hematocrit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005534 hematocrit Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/4875—Details of handling test elements, e.g. dispensing or storage, not specific to a particular test method
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502715—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
- G01F1/584—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters constructions of electrodes, accessories therefor
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/08—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid which is flowing continuously
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- G—PHYSICS
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- G01N29/02—Analysing fluids
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- G01N29/02—Analysing fluids
- G01N29/022—Fluid sensors based on microsensors, e.g. quartz crystal-microbalance [QCM], surface acoustic wave [SAW] devices, tuning forks, cantilevers, flexural plate wave [FPW] devices
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- G—PHYSICS
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- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
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- G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
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- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54366—Apparatus specially adapted for solid-phase testing
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- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
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- B01L2200/06—Fluid handling related problems
- B01L2200/0605—Metering of fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01L2200/0684—Venting, avoiding backpressure, avoid gas bubbles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L2200/16—Reagents, handling or storing thereof
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- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
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- B01L2300/041—Connecting closures to device or container
- B01L2300/044—Connecting closures to device or container pierceable, e.g. films, membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L2300/00—Additional constructional details
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- B01L2300/0627—Sensor or part of a sensor is integrated
- B01L2300/0645—Electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L2300/00—Additional constructional details
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- B01L2300/0627—Sensor or part of a sensor is integrated
- B01L2300/0663—Whole sensors
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- B01L2300/0816—Cards, e.g. flat sample carriers usually with flow in two horizontal directions
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- B01L2300/0829—Multi-well plates; Microtitration plates
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- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
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- B01L2300/161—Control and use of surface tension forces, e.g. hydrophobic, hydrophilic
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- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0475—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure
- B01L2400/0487—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure fluid pressure, pneumatics
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- B01L3/02—Burettes; Pipettes
- B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
- B01L3/0293—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
- B01L3/5085—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates
- B01L3/50855—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates using modular assemblies of strips or of individual wells
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0255—(Bio)chemical reactions, e.g. on biosensors
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- G—PHYSICS
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- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0256—Adsorption, desorption, surface mass change, e.g. on biosensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0426—Bulk waves, e.g. quartz crystal microbalance, torsional waves
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Hematology (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Urology & Nephrology (AREA)
- Molecular Biology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biophysics (AREA)
- Acoustics & Sound (AREA)
- Clinical Laboratory Science (AREA)
- Ecology (AREA)
- Dispersion Chemistry (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Electrochemistry (AREA)
- Optics & Photonics (AREA)
- Cell Biology (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862694594P | 2018-07-06 | 2018-07-06 | |
US201862694621P | 2018-07-06 | 2018-07-06 | |
US201862694599P | 2018-07-06 | 2018-07-06 | |
US16/120,225 US11541385B2 (en) | 2018-07-06 | 2018-09-01 | Methods of measuring hematocrit in fluidic channels including conductivity sensor |
US16/120,224 US11344878B2 (en) | 2018-07-06 | 2018-09-01 | Fluidic channels including conductivity sensor and methods of use thereof |
PCT/US2019/039465 WO2020009896A1 (en) | 2018-07-06 | 2019-06-27 | Methods of measuring hematocrit in fluidic channels including conductivity sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3818369A1 EP3818369A1 (en) | 2021-05-12 |
EP3818369A4 true EP3818369A4 (en) | 2022-03-30 |
Family
ID=69101990
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19831195.3A Pending EP3818369A4 (en) | 2018-07-06 | 2019-06-27 | METHODS OF MEASURING HEMATOCRITY IN FLUID CHANNELS INCLUDING A CONDUCTIVITY SENSOR |
EP19831197.9A Pending EP3818370A4 (en) | 2018-07-06 | 2019-06-27 | CONDUCTIVITY SENSOR FLUID CHANNELS AND METHODS OF USE THEREOF |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19831197.9A Pending EP3818370A4 (en) | 2018-07-06 | 2019-06-27 | CONDUCTIVITY SENSOR FLUID CHANNELS AND METHODS OF USE THEREOF |
Country Status (4)
Country | Link |
---|---|
US (5) | US11541385B2 (zh) |
EP (2) | EP3818369A4 (zh) |
JP (2) | JP7434266B2 (zh) |
CN (2) | CN112384796A (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11541385B2 (en) | 2018-07-06 | 2023-01-03 | Qorvo Us, Inc. | Methods of measuring hematocrit in fluidic channels including conductivity sensor |
Citations (4)
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GB2501128A (en) * | 2012-04-13 | 2013-10-16 | Phillip J Ainger | Resistance measurements across first and second electrode pairs to determine glucose and packed cell volume respectively |
WO2013153406A1 (en) * | 2012-04-13 | 2013-10-17 | Smartcare Technologies Limited | Electrical impedance hematocrit and hba1c biosensor comprising sample plate and sample apparatus |
WO2014190295A2 (en) * | 2013-05-23 | 2014-11-27 | Rapid Diagnostek | Two part assembly |
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US6058934A (en) | 1995-11-02 | 2000-05-09 | Chiron Diagnostics Corporation | Planar hematocrit sensor incorporating a seven-electrode conductivity measurement cell |
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WO2001049414A2 (en) | 2000-01-06 | 2001-07-12 | Caliper Technologies Corp. | Ultra high throughput sampling and analysis systems and methods |
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JP2009276275A (ja) * | 2008-05-16 | 2009-11-26 | Panasonic Corp | 測定デバイス及びそれを用いた測定方法 |
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CN104937404A (zh) * | 2013-01-17 | 2015-09-23 | 田中贵金属工业株式会社 | 生物传感器及其制造方法 |
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WO2014140178A1 (en) * | 2013-03-15 | 2014-09-18 | Roche Diagnostics Gmbh | Methods of electrochemically measuring an analyte with a test sequence having a pulsed dc block as well as devices, apparatuses and systems incorporating the same |
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2018
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US11541385B2 (en) | 2023-01-03 |
US20230234045A1 (en) | 2023-07-27 |
US20220241769A1 (en) | 2022-08-04 |
EP3818369A1 (en) | 2021-05-12 |
US20230133768A1 (en) | 2023-05-04 |
JP7434266B2 (ja) | 2024-02-20 |
EP3818370A4 (en) | 2022-03-30 |
US20200011849A1 (en) | 2020-01-09 |
US11344878B2 (en) | 2022-05-31 |
JP2021529965A (ja) | 2021-11-04 |
JP2021529325A (ja) | 2021-10-28 |
CN112469998A (zh) | 2021-03-09 |
US20200011825A1 (en) | 2020-01-09 |
CN112384796A (zh) | 2021-02-19 |
US11612887B2 (en) | 2023-03-28 |
EP3818370A1 (en) | 2021-05-12 |
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